Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Gudmundur Valur Oddsson"'
Autor:
Ingunn Y. Gudbrandsdottir, Gudrun Olafsdottir, Gudmundur Valur Oddsson, Hlynur Stefansson, Sigurdur G. Bogason
Publikováno v:
Agriculture, Vol 11, Iss 1, p 36 (2021)
Fairness issues within food systems are of increasing concern for policy makers and other stakeholders. Given the topicality and policy relevance of fairness within food systems, there is value in exploring the subject further. Simulation modelling h
Externí odkaz:
https://doaj.org/article/11277ca0c1f349b69a48af1bcf84362b
Publikováno v:
Energies, Vol 8, Iss 6, Pp 4943-4962 (2015)
As renewable energy sectors evolve and grow within a country, the need for expertise to maintain its infrastructure grows. Such expertise is often provided by foreign industries. It is in the global interest to facilitate expertise to grow domestical
Externí odkaz:
https://doaj.org/article/c5f94e1447194ce88848ba72ee27cb9a
Autor:
Ragnheidur Bjornsdottir, Gudmundur Valur Oddsson, Ragnheidur I. Thorarinsdottir, Runar Unnthorsson
Publikováno v:
Water, Vol 8, Iss 8, p 319 (2016)
The aquaculture sector has been increasing its share in the total fish production in the world. Numerous studies have been published about aquaculture, introducing a variety of techniques and methods that have been applied or could be applied in aqua
Externí odkaz:
https://doaj.org/article/6958af8ac4d840aea34e557ad5f46c35
Publikováno v:
International Journal of Energy and Environmental Engineering, Vol 8, Iss 4, Pp 283-291 (2017)
Atlason, R S, Oddsson, G V & Unnthorsson, R 2017, ' Heat Pumps in Subarctic Areas : Current Status and Benefits of Use in Iceland ', International Journal of Energy and Environmental Engineering, vol. 8, no. 4, pp. 283-291 . https://doi.org/10.1007/s40095-017-0244-6
Atlason, R S, Oddsson, G V & Unnthorsson, R 2017, ' Heat Pumps in Subarctic Areas : Current Status and Benefits of Use in Iceland ', International Journal of Energy and Environmental Engineering, vol. 8, no. 4, pp. 283-291 . https://doi.org/10.1007/s40095-017-0244-6
Heat pumps use the temperature difference between inside and outside areas to modify a refrigerant, either for heating or cooling. Doing so can lower the need for external heating energy for a household to some extent. The eventual impact depends on
Publikováno v:
Geothermics. 56:72-78
Efficient maintenance of heavy machinery is of utmost importance in geothermal power plants. Icelandic geothermal power plants are striving to domesticate its maintenance procedures to decrease foreign dependency. This study shows which problems are
Autor:
Runar Unnthorsson, Ragnheidur I. Thorarinsdottir, Reynir Smari Atlason, Gudmundur Valur Oddsson, Fernando Sustaeta, Ragnar Ingi Danner
Publikováno v:
Atlason, R S, Danner, R, Unnthorsson, R, Oddsson, G V, Sustaeta, F & Thorarinsdottir, R 2017, ' Energy return on investment for aquaponics : case studies from Iceland and Spain ', Biophysical Economics and Resource Quality . https://doi.org/10.1007/s41247-017-0020-5
Energy use in food production is linked to environmental impact, as most agricultural practices are reliant on fossil fuels. It is therefore of importance to locate food production methods that are less energy intensive than current methods and are a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e7a24f43f716260e0d38aa68d027c6e
https://portal.findresearcher.sdu.dk/da/publications/cbd6abbf-f2c7-4ae6-98c7-744061f1e7a8
https://portal.findresearcher.sdu.dk/da/publications/cbd6abbf-f2c7-4ae6-98c7-744061f1e7a8
Publikováno v:
Energies, Vol 7, Iss 7, Pp 4169-4184 (2014)
Energies
Volume 7
Issue 7
Pages 4169-4184
Energies
Volume 7
Issue 7
Pages 4169-4184
A quantitative Kano model is used in this study to identify which features are preferred by top-level maintenance engineers within Icelandic geothermal power plants to be implemented in a maintenance tool or software. Visits were conducted to the lar
Publikováno v:
Artificial Intelligence for Engineering Design, Analysis and Manufacturing. 28:413-428
This paper presents a reference framework for the configuration process. The reference framework is established through an extensive review of existing literature, and as such consolidates an extensive theoretical base. The review of literature shows
Publikováno v:
Water, Vol 8, Iss 9, p 387 (2016)
Water; Volume 8; Issue 9; Pages: 387
Water; Volume 8; Issue 9; Pages: 387
In engineering design, knowing the relationship between the means (technique) and the end (desired function or outcome) is essential. The means in Aquaculture are technical solutions like airlifts that are used to achive desired functionality (an end
Publikováno v:
Energies; Volume 9; Issue 4; Pages: 286
Energies, Vol 9, Iss 4, p 286 (2016)
Energies, Vol 9, Iss 4, p 286 (2016)
A novel Monte Carlo (MC) approach is proposed for the simulation of wind speed samples to assess the wind energy production potential of a site. The Monte Carlo approach is based on historical wind speed data and reserves the effect of autocorrelatio